Think you made the right decision there Gary!
My god, the black seal is turning molten.
Can understand now why you were having issues with the doorseal - think you were fighting a losing battle with that one.
The grey is certainly different and will take a bit of getting used to. But, remember, that is a phase that many 1970s hoovers went through in their lives. Yours is just going through it 25 years after all the ohers did!
She be water tight now and thats all that matters.
Paul